LayoutTopComponent.java

/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org

This file is part of Gephi.

Gephi is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

Gephi is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with Gephi.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.gephi.desktop.layout;

import java.awt.BorderLayout;
import java.util.logging.Logger;
import javax.swing.UIManager;
import org.gephi.layout.api.LayoutModel;
import org.gephi.project.api.ProjectController;
import org.gephi.project.api.Workspace;
import org.gephi.project.api.WorkspaceListener;
import org.gephi.ui.utils.UIUtils;
import org.openide.util.NbBundle;
import org.openide.windows.TopComponent;
import org.openide.windows.WindowManager;
import org.openide.util.ImageUtilities;
import org.netbeans.api.settings.ConvertAsProperties;
import org.openide.util.Lookup;

@ConvertAsProperties(dtd = "-//org.gephi.desktop.layout//Layout//EN",
autostore = false)
public final class LayoutTopComponent extends TopComponent {

    private static LayoutTopComponent instance;
    static final String ICON_PATH = "org/gephi/desktop/layout/resources/small.png";
    private static final String PREFERRED_ID = "LayoutTopComponent";
    private LayoutPanel layoutPanel;
    private LayoutModel model;

    public LayoutTopComponent() {
        initComponents();
        setName(NbBundle.getMessage(LayoutTopComponent.class, "CTL_LayoutTopComponent"));
//        setToolTipText(NbBundle.getMessage(LayoutTopComponent.class, "HINT_LayoutTopComponent"));
        setIcon(ImageUtilities.loadImage(ICON_PATH));
        putClientProperty(TopComponent.PROP_MAXIMIZATION_DISABLED, Boolean.TRUE);

        layoutPanel = new LayoutPanel();
        if (UIUtils.isAquaLookAndFeel()) {
            layoutPanel.setBackground(UIManager.getColor("NbExplorerView.background"));
        }
        add(layoutPanel, BorderLayout.CENTER);

        Lookup.getDefault().lookup(ProjectController.class).addWorkspaceListener(new WorkspaceListener() {

            public void initialize(Workspace workspace) {
            }

            public void select(Workspace workspace) {
                model = workspace.getLookup().lookup(LayoutModel.class);
                refreshModel();
            }

            public void unselect(Workspace workspace) {
                model.removePropertyChangeListener(layoutPanel);
            }

            public void close(Workspace workspace) {
            }

            public void disable() {
                model = null;
                refreshModel();
            }
        });

        ProjectController projectController = Lookup.getDefault().lookup(ProjectController.class);
        if (projectController.getCurrentWorkspace() != null) {
            model = projectController.getCurrentWorkspace().getLookup().lookup(LayoutModel.class);
        }
        refreshModel();
    }

    private void refreshModel() {
        layoutPanel.refreshModel(model);
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        setLayout(new java.awt.BorderLayout());
    }// </editor-fold>//GEN-END:initComponents

    // Variables declaration - do not modify//GEN-BEGIN:variables
    // End of variables declaration//GEN-END:variables
    /**
     * Gets default instance. Do not use directly: reserved for *.settings files only,
     * i.e. deserialization routines; otherwise you could get a non-deserialized instance.
     * To obtain the singleton instance, use {@link #findInstance}.
     */
    public static synchronized LayoutTopComponent getDefault() {
        if (instance == null) {
            instance = new LayoutTopComponent();
        }
        return instance;
    }

    /**
     * Obtain the LayoutTopComponent instance. Never call {@link #getDefault} directly!
     */
    public static synchronized LayoutTopComponent findInstance() {
        TopComponent win = WindowManager.getDefault().findTopComponent(PREFERRED_ID);
        if (win == null) {
            Logger.getLogger(LayoutTopComponent.class.getName()).warning(
                    "Cannot find " + PREFERRED_ID + " component. It will not be located properly in the window system.");
            return getDefault();
        }
        if (win instanceof LayoutTopComponent) {
            return (LayoutTopComponent) win;
        }
        Logger.getLogger(LayoutTopComponent.class.getName()).warning(
                "There seem to be multiple components with the '" + PREFERRED_ID
                + "' ID. That is a potential source of errors and unexpected behavior.");
        return getDefault();
    }

    @Override
    public int getPersistenceType() {
        return TopComponent.PERSISTENCE_ALWAYS;
    }

    @Override
    public void componentOpened() {
        // TODO add custom code on component opening
    }

    @Override
    public void componentClosed() {
        // TODO add custom code on component closing
    }

    void writeProperties(java.util.Properties p) {
        // better to version settings since initial version as advocated at
        // http://wiki.apidesign.org/wiki/PropertyFiles
        p.setProperty("version", "1.0");
        // TODO store your settings
    }

    Object readProperties(java.util.Properties p) {
        if (instance == null) {
            instance = this;
        }
        instance.readPropertiesImpl(p);
        return instance;
    }

    private void readPropertiesImpl(java.util.Properties p) {
        String version = p.getProperty("version");
        // TODO read your settings according to their version
    }

    @Override
    protected String preferredID() {
        return PREFERRED_ID;
    }
}